POE Injector with Built-in Surge Protection. The Rapidus RL-1P-SURGE-POE is a ro-bust passive Power-Over-Ethernet (POE). Features include built-in surge protection and ground wire. Unit can withstand extreme operating temperatures. It is also capable of handling up to 2200V transient discharges and can support a wide range of input voltage. Application: wireless AP’s, IP cameras, IP phones and other POE based devices.